/*
 * Copyright 2020 Supasin Tatiyanupanwong
 * Copyright 2020 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package me.tatiyanupanwong.supasin.android.libraries.kits.maps.utils.data.kml;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Utility methods for KML.
 */
public class KmlUtils {

    private KmlUtils() {}

    /**
     * Substitute property values in BalloonStyle text template.
     *
     * @param template text template
     * @param placemark placemark to get property values from
     * @return string with property values substituted
     */
    public static String substituteProperties(String template, KmlPlacemark placemark) {
        StringBuffer sb = new StringBuffer();
        Pattern pattern = Pattern.compile("\\$\\[(.+?)]");
        Matcher matcher = pattern.matcher(template);
        while (matcher.find()) {
            String property = matcher.group(1);
            String value = placemark.getProperty(property);
            if (value != null) {
                matcher.appendReplacement(sb, value);
            }
        }
        matcher.appendTail(sb);
        return sb.toString();
    }

}
